Offset press inking unit

The utility model provides an offset press inking unit, relates to printing machine technical field, including distributor roller, gravure cylinder, blanket cylinder, and the backing roll, distributor roller one side contacts with black groove, the opposite side with the gravure cylinder contact, blanket cylinder hugs closely gravure cylinder in the edge, conveyor belt is born on backing roll upper portion, the last stock of having placed of conveyor belt, and printing ink falls on the stock through blanket cylinder, its characterized in that: the gravure cylinder edge is provided with the recess. Through set up the recess at gravure cylinder outer peripheral surface, can be effectual with printing ink evenly distributed to blanket cylinder surface for it is more even to go out the china ink during offset printing, and the offset printing effect is better. 种胶印机输墨装置，涉及印刷机械技术领域，包括传墨辊，凹版滚筒，橡皮滚筒，支撑辊，所述传墨辊侧与墨槽相接触，另侧与所述凹版滚筒接触，所述橡皮滚筒边缘紧贴凹版滚筒，所述支撑辊上部承载输送皮带，输送皮带上放置有承印物，油墨通过橡皮滚筒落至承印物上，其特征在于：所述凹版滚筒边缘设置有凹槽。通过在凹版滚筒外圆周表面设置